199361417 has 4 divisors (see below), whose sum is σ = 199395396. Its totient is φ = 199327440.

The previous prime is 199361387. The next prime is 199361419. The reversal of 199361417 is 714163991.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 91948921 + 107412496 = 9589^2 + 10364^2 .

It is a cyclic number.

It is not a de Polignac number, because 199361417 - 2⁶ = 199361353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199361419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5678 + ... + 20759.

It is an arithmetic number, because the mean of its divisors is an integer number (49848849).

Almost surely, 2^199361417 is an apocalyptic number.

It is an amenable number.

199361417 is a deficient number, since it is larger than the sum of its proper divisors (33979).

199361417 is an equidigital number, since it uses as much as digits as its factorization.

199361417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33978.

The product of its digits is 40824, while the sum is 41.

The square root of 199361417 is about 14119.5402545550. The cubic root of 199361417 is about 584.1804746919.

The spelling of 199361417 in words is "one hundred ninety-nine million, three hundred sixty-one thousand, four hundred seventeen".